kalendára

Kalendára is a term used in some languages to denote a calendar. A calendar is a system for organizing days for social, religious, commercial, and administrative purposes. It arranges days into weeks, months, and years, and provides a framework for identifying dates and sequencing events. Calendars also guide the timing of holidays, seasons, and agricultural or ceremonial activities.

The most widely used civil calendar today is the Gregorian calendar, a solar calendar based on the length of the tropical year. It introduces leap years to keep the calendar year synchronized with the seasons. In addition to the Gregorian system, many cultures use other calendars for religious or traditional reasons. These include lunar calendars, such as the Islamic calendar; lunisolar calendars, such as the Hebrew and Chinese calendars; and various regional systems in Hindu and Southeast Asian traditions. Each calendar has its own rules for month lengths, leap days, and the interplay between solar years and lunar cycles.

In linguistic contexts, kalendára can be the Slovak genitive singular form of kalendár, meaning calendar. The term thus reflects both the object itself and its grammatical use in specific languages.

History and development trace calendars back to ancient civilizations that observed celestial cycles to organize time. Early calendars were closely tied to agriculture and ritual life. The modern calendar landscape blends historical reforms with global standardization, while cultural and religious calendars continue to coexist alongside solar civil calendars in daily life.